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Physics (AS & A Level) · May / June 2024 · Paper 12 · Question 9

9702Scalars and vectors

A ball collides with a wall. Before the collision, the ball moves with velocity $8\,\mathrm{m\,s^{-1}}$ to the right. After the collision, it moves with velocity $3\,\mathrm{m\,s^{-1}}$ to the left. What is the change in velocity of the ball during the collision?

  1. A5 m s⁻¹ to the left
  2. B5 m s⁻¹ to the right
  3. C11 m s⁻¹ to the left
  4. D11 m s⁻¹ to the right

As printed in the paper

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Correct answer: C. 11 m s⁻¹ to the left

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